ORIGINAL RESEARCH
Design and Optimization of Cu(II) Adsorption Conditions from Aqueous Solutions by Low-Cost Adsorbent Pumice with Response Surface Methodology
Dilara Öztürk1, Tekin Şahan2
 
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1Department of Environmental Engineering
2Department of Chemical Engineering
Faculty of Engineering and Architecture, Yuzuncu Yil University, 65080 Van, Turkey
 
 
Submission date: 2015-02-26
 
 
Final revision date: 2015-03-17
 
 
Acceptance date: 2015-03-22
 
 
Publication date: 2015-07-27
 
 
Pol. J. Environ. Stud. 2015;24(4):1749-1756
 
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ABSTRACT
The adsorption of Cu(II) by pumice was investigated in a batch system. Optimization of medium conditions was studied through experimental design. Response surface methodology – including central composite design – was successfully applied to develop a response surface to optimize medium conditions. The most influential medium parameters were determined as initial Cu(II) concentration, pH, temperature, and adsorbent dosage. The optimum conditions were evaluated to be 47.14 mg/L, 5.31, 38.30ºC, and 3.14 g for initial Cu(II) concentration, pH, temperature and adsorbent dosage, respectively. At these optimum points, the adsorption yield and adsorption capacity were calculated as 95.10% and 1.43 mg/g, respectively.
eISSN:2083-5906
ISSN:1230-1485
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